CHRIST THE CURE
"That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved." Romans 10:9
"For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation." Romans 10:10
"For whosoever shall call upon the name of the Lord shall be saved." Romans 10:13
His name is Jesus Christ.

NOTE: The FIRST birth: Born of Water is, of course, the physical birth. We are carried in a sack of water which breaks at birth… born of water.

First Birth = Flesh Birth = Water of the Womb = Born of Water = flesh is flesh

John 1:11-13 He came unto his own, and his own received him not. But as many as received him, to them gave he power to become the sons of God, even to them that believe on his name:

Which were born, not of blood, nor of the will of the flesh, nor of the will of man, but of God.

NOTE: The SECOND birth: Born of the Spirit is the SPIRITUAL Birth or SPIRITUAL BAPTISM.

Second Birth = Spiritual Birth = Born of the Spirit = Must be Born Again = Spirit is Spirit

ANSWER: It is a Spiritual birth that takes place the instant a person trusts in Christ Jesus. This baptism of the Holy Spirit happens the moment we believe and happens to ALL BORN AGAIN CHRISTIANS. Our dead spirit becomes quickened which means it becomes alive.

Romans 8:5-13 For they that are after the flesh do mind the things of the flesh; but they that are after the Spirit the things of the Spirit. For to be carnally minded is death; but to be spiritually minded is life and peace. Because the carnal mind is enmity against God: for it is not subject to the law of God, neither indeed can be. So then they that are in the flesh cannot please God. But ye are not in the flesh, but in the Spirit, if so be that the Spirit of God dwell in you.
Now if any man
have not the Spirit of Christ,
he is none of his.

And if Christ be in you, the body is dead because of sin; but the Spirit is life because of righteousness. But if the Spirit of him that raised up Jesus from the dead dwell in you, he that raised up Christ from the dead shall also quicken your mortal bodies by his Spirit that dwelleth in you. Therefore, brethren, we are debtors, not to the flesh, to live after the flesh. For if ye live after the flesh, ye shall die: but if ye through the Spirit do mortify the deeds of the body, ye shall live.

Ephesians 2:5 Even when we were dead in sins, hath quickened us together with Christ, (by grace ye are saved;)